Granted Patent
Utility
US 4,806,995 · App. 07/009,854
Optical and electrical switching devices and a polymer composition containing pendant organic charge transfer salt moieties useful in switching devices
Inventors:
Roger W. Day, Michael J. Morgan
Patented Case
View Patent ↗
Granted: Feb 21, 1989
Filed: Feb 2, 1987
Inventors
Roger W. Day
Michael J. Morgan
Assignee (at issue)
Olin Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.